National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Portage, Portage Glacier (PATO)

Lat: 60.78°NLon: 148.83°WElev: 95ft.

Overcast

25°F

-4°C

Humidity 75%
Wind Speed W 9 mph
Barometer 29.35 in (994.0 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 5 Dec 6:53 pm AKST
Extended Forecast for

8 Miles NNW Alyeska AK

  • Tonight

    Tonight: Partly cloudy, with a low around 9. Calm wind becoming northeast around 5 mph.

    Low: 9 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of snow after 3pm. Partly sunny, with a high near 9. East wind around 5 mph becoming calm. Chance of precipitation is 20%.

    High: 9 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A slight chance of snow between 9pm and midnight. Mostly cloudy, with a low around 7. Northeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 7 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 9. Northeast wind around 5 mph.

    High: 9 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of snow after 3am. Mostly cloudy, with a low around 3. North wind 10 to 15 mph. Chance of precipitation is 30%.

    Low: 3 °F

    Partly Cloudy
    then Chance
    Snow

  • Monday

    Monday: A chance of snow before 9am. Mostly cloudy, with a high near 9. North wind around 15 mph. Chance of precipitation is 30%.

    High: 9 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A chance of snow after 9pm. Mostly cloudy, with a low around -3. Chance of precipitation is 30%.

    Low: -3 °F

    Chance Snow

  • Tuesday

    Tuesday: A chance of snow. Mostly cloudy, with a high near 2.

    High: 2 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow before 3am. Mostly cloudy, with a low around -5.

    Low: -5 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 9. Calm wind becoming northeast around 5 mph.
Saturday
A slight chance of snow after 3pm. Partly sunny, with a high near 9. East wind around 5 mph becoming calm. Chance of precipitation is 20%.
Saturday Night
A slight chance of snow between 9pm and midnight. Mostly cloudy, with a low around 7. Northeast wind around 5 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 9. Northeast wind around 5 mph.
Sunday Night
A chance of snow after 3am. Mostly cloudy, with a low around 3. North wind 10 to 15 mph. Chance of precipitation is 30%.
Monday
A chance of snow before 9am. Mostly cloudy, with a high near 9. North wind around 15 mph. Chance of precipitation is 30%.
Monday Night
A chance of snow after 9pm. Mostly cloudy, with a low around -3. Chance of precipitation is 30%.
Tuesday
A chance of snow. Mostly cloudy, with a high near 2.
Tuesday Night
A chance of snow before 3am. Mostly cloudy, with a low around -5.
Wednesday
Mostly sunny, with a high near 0.
Wednesday Night
Mostly clear, with a low around -5.
Thursday
Sunny, with a high near 0.
Thursday Night
Mostly clear, with a low around -5.
Friday
Sunny, with a high near 0.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNW Alyeska AK
 61.08°N 149.16°W (Elev. 4245 ft)
Last Update:
3:16 pm AKST Dec 5, 2025
Forecast Valid:
7pm AKST Dec 5, 2025-6pm AKST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation